Mold for concrete walls.



No. 752,144. PATENTED JUNE 7,1904..

P. H. CLINGAN.

MOLD POR CONCRETE WALLS.

APPLIOATION FILED MAY 5, 1903. No MODEL.

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Patented June 7, 1904.

IINITED STATES PATENT OFFICE.

PRESTON H. CLINGAN, OF FLORENCE, COLORADO.

MOLD FOR CONCRETE WALLSl SPECIFICATION forming part of Letters'Patent No. 762,144, dated June '7, 1904. Application led May 5, 1903. Serial No. 155,713. (No model.)

To [L7/Z 11177/0771, zit/nifty concern,.-

Beit known that I, PRESTON H. CLINGAN, a citizen of the United States, and a resident of Florence, in the county of Fremont and State of Colorado, have invented new and useful Improvements in Molds for Concrete l/Valls, of which the following is a full, clear, and exact description.

The present inventionI relates to certain novel and useful improvements in molds for forming concrete walls, and has particular application to an apparatus of the character described which Will enable a continuous air Hue or space to beformed in -the wall of a building.

In carrying out the present invention I have in contemplation providing an improved mold which will be extremely simple in construction and operation and one which renders it possible to form the wyeths or partitions of alternate courses directly over each other, thereby forming the continuous air lues or chambers hereinbefore referred to.

A further object of my invention is to provide animproved inner casing forming a portion of my molding apparatus, said casing being removable or shiftable from one portion of. a course kof the wall to another, said inner casing being provided with an improved mechanism for expanding and contracting the wall or body of the same. I also contemplate using in conjunction with the inner casing an improved outer casing or mold, which renders it possible to mold the Wall either plain or in imitation of stone or other masonry.

With these objects and others of a similar nature in view my invention consists in the construction, combination, and arrangement of parts, as is described in this specification, illustrated in the accompanying drawings, and set forth inthe appended claims.

Reference is to be had to the accompanying drawings, forming a part of this specification, in which similar characters of reference indicate corresponding parts in all the iigures.

Figure l is aview in side elevation of a portion of a concrete wall and showing the manner of employing my improved apparatus. Fig. 2 is a transverse vertical sectional view of the same, taken on the line 2 2 of Fig. 1.

Fig. 3 is a top plan view of a concrete wall, showing the same after three courses have been completed with the aid of my molding apparatus. Fig. 4 is a top edge view of my improved inner casing, and Fig. 5 is a side view of the same.

In the accompanying drawings, A designates the concrete wall in the course of construction, said wall having formed therein a number of air iues or spaces B. For the purpose of forming the wall I employ an apparatus consisting, essentially, of what may be termed for the sake of convenience an inner casing and an outer mold. The inner casing, which is shown in detail in Figs. 4 and 5, consists of a body constructed of metal material, as is shown at -said body portion tapering slightly toward the bottom and being preferably approximately elliptical in cross-section. The casing is preferably formed of a single sheet of material bent into the shape shown, the edges 6 and 7 of said sheet being beveled to form a smooth joint when brought together. contract the casing, I provide an improved means consisting of a cam or disk 8, having formed' thereon a stud or shank 9 to enable a wrench or similar instrument to grasp the same, the disk having pivoted thereto at 1() a link 11, the opposite end of said link being pivoted at l2 to the side of the casing adjacent to the edge 7, while a second link 13 is pivoted at 111 to said disk or cam, this latter link being also connected by studs 15 to the end of the side portion 6 of the casing-body.

The outer mold of my apparatus, which is used in conjunction with the inner casing for the purpose of forming the wall, is clearly shown in Figs. 1 and 2. This outer mold consists of plates 16 and 17, Y.formed of any suitable material, such as wood or metal, said plates being arranged parallel, one of the plates-for instance, the plate 16S-having extended upwardly therefrom a standard 18, the upper edge portion 19 of which is notched or toothed for a purpose hereinafter apparent. A second standard 2O is connected to the plate 17, this latter standard having pivoted near the top portion thereof, as at 21, a key-bar 22,

such as sheet-steel, iron', or similarv In order to expand orA the edge 23 thereof being beveled to engage the notches 19 in the opposite strip, whereby the plates may be braced or locked in parallelism when in use. A second brace or crossbar 24 connects the two strips, such bar being adjustable through the medium of apertures 25 and pins 26. IVhen both the bars are in the position as shown in full lines in Fig. 2, the standards will be braced securely in vertical position, thereby retaining the plates 16 and 17 in parallelism. The inner faces of the plates, which contact with the material forming the Wall, may be ornamented in any suitable manner in imitation of stone or the like. The portions of the standards 18 and 2O which support the central cross-bar 24 are preferably enlarged, as at 27, said enlarged portion beingslotted to permit the passage of the ends of the aforesaid cross-bar 24.

r1`he above description has relation mainly to the structure of my apparatus, and I will now proceed to describe the manner of using the same. The outer mold is placed in position, the inner casing is set within the same, and the concrete or like material with which the wall is constructed is packed or laid between the outer wall of the inner casing and the plates of the mold. The inner casing is then moved along the wall, so that a smallcourse partition of concrete, as shown at C, may be formed between the two horizontallyalining air-spaces. After the lirst course is laid small strips of iron or any other suitable material, as shown at D, are laid across the top of the course, and upon such strips the partitions of the second course of concrete are formed, the inner casing being so shifted that the curved end portion thereof will rest adjacent to the strips of iron. This method is then followed throughout the building ofthe entire wall, the inner casing being shifted from time to time so as to bring the air-space B of each alternate course into alinement.

It will be observed that this apparatus is extremely simple and convenient, as the inner casing may be removed without any trouble, owing to the simple mechanism by which it may be contracted or expanded, and the outer mold may be operated without unscrewing bolts, nuts, and the like.

While I have shown and herein described one particular embodiment of my invention, it is of course to be understood that I do not limit myself to the precise details of construction shown herein, as there may be modifications and variations in certain respects without departing from the essential features of the invention or sacrilicing any of the advantages thereof.

Having thus described my invention, I claim as new and desire to secure by Letters Patent- 1. In an apparatus for forming concrete walls, the combination of an outer mold portion, comprising a plurality of plates, standards carried by said plates, and means carried -by certain of the standards for locking the plates in parallelism, an inner casing, and means comprising a disk and links connecting the disk with the body of the casing for eX- panding and contracting said casing, substantially as set forth.

2. In an apparatus for forming concrete walls, the combination of an inner casing and an outer mold portion, said outer mold comprising a plurality of plates, and means including a pivoted bar for maintaining said plates in parallelism, substantially as set forth.

3. In an apparatus for forming concrete walls, the combination of an inner casing and an outer mold comprising a plurality of plates, standards extending upward from said plates, and means comprising a bar pivoted to certain of the standards for holding the plates locked in parallelism, substantially as set forth.

4. In an apparatus for forming concrete walls, the combination of an inner casing and an outer mold portion, and a bar pivoted to one standard and adapted to engage with notches in the standard of an opposite plate for maintaining the plates in working position, substantially as set forth.

5. In an apparatus for forming concrete walls, an outer mold comprising a plurality of facing plates, standards on said plates, a bar pivoted to the standard of one plate and adapted to interlock with the standard of an opposite plate, and an adjustable brace-bar connecting the standards of opposite plates, substantially as set forth.

ln testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

PRESTON H. CLINGAN.

Vitnesses:

Grao. NV. COLUMBIA, JosErI-I D. BLUNT.

IOO 

